| // Copyright 2022 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build ignore |
| |
| // This program prints its arguments and exits. |
| // If an argument begins with a "$", it prints |
| // the value of the environment variable instead. |
| // It is used for testing the sandbox package. |
| package main |
| |
| import ( |
| "fmt" |
| "os" |
| ) |
| |
| func main() { |
| fmt.Printf("args:\n") |
| for i, arg := range os.Args[1:] { |
| val := arg |
| if len(arg) > 0 && arg[0] == '$' { |
| val = os.Getenv(arg[1:]) |
| } |
| fmt.Printf("%d: %q\n", i, val) |
| } |
| } |
